This project is the sixth land protection initiative that TPL has undertaken to intensify the beauty of the park and ...

While the Grand Canyon may be Arizona’s best-known national park, it’s not the only one worth a visit. With 22 National Park ...

The desert prickly-pear, known to botanists as Opuntia phaeacantha, is the Southwest's most widespread and abundant species of cactus. Unlike the giant saguaro (Carnegiea gigantea) that is restricted ...

The Desert Botanical Garden in Arizona is preserving endangered plant species through a seed bank and rehabilitating poached ...

A new study shows that demand for wild cactus and rare plants many soon surpass supply in the Chihuahuan Desert of Mexico and the US. Gland, Switzerland – Demand for wild cactus and rare plants by ...

Signaling the end of spring, smoke trees in the desert washes become dotted with tiny bluish-purple blooms at the beginning of summer each year. The color is deep and distinct and has been revered by ...

Bearing the state flower of Arizona, the saguaro cactus remains an essential part of the Sonoran Desert’s identity. The 40-60 foot-tall saguaro and its fruit are great natural resources for both ...

One of the easiest ways to compare the differences between the various types of cacti and to learn how plants survive on steep, rocky slopes is on the Cactus Loop Trail. A nature-trail guide, ...

Not sure how often to water Christmas cactus? Get expert tips on when to water, when to wait, and how to keep those blooms ...

With their tough skins, pointy armor and legendary stamina, cacti are made to defend themselves from whatever nature throws at them. But large solar energy facilities are one threat that cacti weren’t ...